Inundated marble grotto in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
Grand Cascade of Peterhof from a terrace of grottos. Near Saint Petersburg, Russia, July 2, 2003
Tomb grottoes in the village of Siloah (Silwan) built over the Jewish necropolis viewed from the opposite side of Kidron Valley. Jerusalem, the Middle East, July 12, 2001
Grotto of Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
Interior of the Church of Annunciation in Nazareth, Grotto of the Virgin. The Middle East, March 16, 2002
Granite Grotto near Chapelle (Shapel) in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 19, 2013
Grotto Pavilion in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
A cave behind a fence in the Church of Annunciation in Nazareth (Grotto of the Virgin). The Middle East, March 16, 2002
View of a grotto from a cave in Rosh Hanikra. The Middle East, September 7, 2000
A grotto with floating garbage in Rosh Hanikra. The Middle East, September 7, 2000
A grotto in Delaware and Raritan Canal State Park west from Mapleton Road. Kingston, New Jersey, April 20, 2007
A grotto in Delaware and Raritan Canal State Park between Kingston and Princeton. New Jersey, March 28, 2007
Grotto Pavilion and Chesma Pillar on Big Pond in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, December 3, 2016
A grotto made from vaults lifted by floodwater in Merrit (Merrick) Cemetery near Highway 46 in Violet, Saint Bernard Parish. Eastern New Orleans, Louisiana, March 19, 2006
Grotto in McKittrick Canyon, with icicles. Guadalupe Mountains National Park, Texas, December 28, 2007
Great Pond in Catherine Park, with Grotto in background. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
Stone grotto near Mariyinskaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, December 31, 2015
Grotto area in Monrepo (Mon Repos) Park. Vyborg, north from Saint Petersburg, Russia, October 7, 2016
A grotto near the Chapelle pavilion in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
"Grotto" spring (istochnik) or a ruined water feature near the Old Sylvia district, often referred to as the "Ruined Cascade" or simply a natural spring reinforced with stone in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, October 6, 2025
Azure blue walls and white columns of Grotto Pavilion sitting on the edge of Great Pond (Bolshoy Prud) in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 10, 2025
Grotto Pavilion and Great Pond (Bolshoy Prud) in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 10, 2025
Devil s Bridge (Chertov Most), also known as the Cascade, located near the Upper Ponds in Catherine Park. It is constructed from rough-hewn limestone and granite blocks (tufa) to resemble a natural rock formation or an ancient grotto. The "bridge" actually functions as a decorative cascade or dam between the ponds. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 10, 2025
